viabandwidthColocation
Certification

Uptime Tier IV Certified Colocation Providers

Which colocation providers are Uptime Tier IV certified?

viabandwidth tracks 197 colocation operators reporting Uptime Tier IV. Fault-tolerant infrastructure, with 99.995 percent expected availability. The list below sorts direct operators first, then carrier-neutral and other providers, so procurement teams can shortlist by certification alongside verified network presence.

Certifications surfaced from operator websites. Last reviewed 2026-07-14.

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Tier IVTIER IV
FAQ

Frequently asked questions

What is Uptime Tier IV for a colocation provider?
Uptime Tier IV: Fault-tolerant infrastructure, with 99.995 percent expected availability. viabandwidth lists 197 colocation operators carrying this certification.
How many Uptime Tier IV certified colocation providers are there?
197 colocation operators in viabandwidth's directory report Uptime Tier IV. Certification labels are surfaced from operator websites; certificate verification is the buyer's responsibility before contract.
What should procurement teams check beyond the Uptime Tier IV label?
Uptime Institute Tier IV means the facility is fault-tolerant, with each component dual-powered and dual-cooled. Tier IV is overengineered for most workloads; if you are paying for it, confirm your application architecture can actually take advantage of the redundancy.
Does Uptime Tier IV alone qualify an operator for shortlisting?
A certification is one signal, not a verdict. Connectivity density, operator credibility (do they actually run the building), power and cooling capacity, and contract terms still matter. Use this hub to filter on certification, then check the country page and the operator profile for the full procurement picture.
Other certifications
ISO 27001 certifiedUptime Tier III certifiedPCI DSS certifiedISO 9001 certifiedSOC 2 certifiedHIPAA certifiedSOC 1 certifiedFedRAMP certifiedFISMA certifiedCSA STAR certifiedHITRUST certifiedITAR certified
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